Technical data
IEC 61850 / Function block name ANSI Function description
ZCPSCH 85 Scheme communication logic with delta based blocking scheme signal transmit
ZCRWPSCH 85 Current reversal and weak end infeed logic for distance protection
ZCWSPSCH 85 Current reversal and weak end infeed logic for distance protection
ZCLCPLAL   Local acceleration logic
ECPSCH 85 Scheme communication logic for residual overcurrent protection
ECRWPSCH 85 Current reversal and weak end infeed logic for residual overcurrent protection
Table 5: Basic IED functions
IEC 61850 / Function
block name
Function description
Basic functions included in all products
INTERRSIG Self-supervision with internal event list
SELFSUPEVLST Self-supervision with internal event list
TIMESYNCHGEN Time synchronization
SNTP Time synchronization
DTSBEGIN Time synchronization
DTSEND Time synchronization
TIMEZONE Time synchronization
IRIG-B Time synchronization
SETGRPS Setting group handling
ACTVGRP Parameter setting groups
TESTMODE Test mode functionality
CHNGLCK Change lock function
ATHSTAT Authority status
ATHCHCK Authority check
TERMINALID IED identifiers
PRODINF Product information
PRIMVAL Primary system values
SMAI_20_1 -
SMAI_20_12
Signal Matrix for analog inputs
3PHSUM Summation block 3 phase
GBASVAL Global base values for settings
DOSFRNT Denial of service, frame rate control for front port
DOSLAN1 Denial of service, frame rate control for LAN1 port
DOSSCKT Denial of service, socket flow control
1MRK 511 261-UUS A Section 1
Introduction
650 series ANSI 15
Engineering Manual










